From 9f1c28e4aea9a7830026e6b1c72ee9b765f45ac1 Mon Sep 17 00:00:00 2001 From: Sylvain Bauza Date: Mon, 7 Mar 2022 18:22:20 +0100 Subject: [PATCH] Add the Yoga prelude section Coming straight from the cycle highlights. Change-Id: I329092a352d44a6833efd11f5e9c5a1c6fc8d1be --- .../notes/yoga-prelude-31dd83eb18c789f6.yaml | 49 +++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 releasenotes/notes/yoga-prelude-31dd83eb18c789f6.yaml diff --git a/releasenotes/notes/yoga-prelude-31dd83eb18c789f6.yaml b/releasenotes/notes/yoga-prelude-31dd83eb18c789f6.yaml new file mode 100644 index 000000000000..6bb5ac257bbf --- /dev/null +++ b/releasenotes/notes/yoga-prelude-31dd83eb18c789f6.yaml @@ -0,0 +1,49 @@ +--- +prelude: | + The 25.0.0 release includes many new features and bug fixes. Please be + sure to read the upgrade section which describes the required actions to + upgrade your cloud from 24.0.0 (Xena) to 25.0.0 (Yoga). + + There are a few major changes worth mentioning. This is not an exhaustive + list: + + - The latest Compute API microversion supported for Yoga is `v2.90`__ (same + as the Xena release). + + .. __: https://docs.openstack.org/nova/latest/reference/api-microversion-history.html + + - Experimental support is added for Keystone's `unified limits`__. + This will allow operators to test this feature in non-production + systems so we can collect early feedback about performance. + + .. __: https://docs.openstack.org/keystone/latest/admin/unified-limits.html + + - Keystone's policy concepts of system vs. project scope and roles has been + implemented in Nova and `defaults roles and scopes have been defined`__, + while legacy policies continue to be enabled by default. Operators are + encouraged to familiarize with the new policies and `enable them + in advance`__ before Nova switches from the legacy roles in a later + release. + + .. __: https://docs.openstack.org/nova/latest/configuration/policy-concepts.html#nova-supported-scope-roles + .. __: https://docs.openstack.org/nova/latest/configuration/policy-concepts.html#migration-plan + + + - Support is added for network backends that leverage SmartNICs to + `offload the control plane from the host server`__. Accordingly, Neutron + needs to be `configured`__ in order to enable it correctly. + Increased security is enabled by removing the control plane from the + host server and overhead is reduced by leveraging the cpu and ram + resources on modern SmartNIC DPUs. + + .. __: https://docs.openstack.org/nova/latest/admin/networking.html#sr-iov + .. __: https://docs.openstack.org/neutron/latest/admin/ovn/smartnic_dpu + + + - Experimental support for `emulated architecture is now implemented`__. + AArch64, PPC64LE, MIPs, and s390x guest architectures are + available independent of the host architecture. This is strictly not + intended for production use for various reasons, including no security + guarantees. + + .. __: https://docs.openstack.org/nova/latest/admin/hw-emulation-architecture.html